<template>
  <view>
    <view
      v-if="maskShow && !insert"
      :class="{ 'ani-mask-show': aniMaskShow }"
      class="uni-calendar__mask" />
    <view
      v-if="maskShow || insert"
      :class="{ 'ani-calendar-show': aniMaskShow, 'uni-calendar__static': insert }"
      class="uni-calendar__box">
      <view
        v-if="!insert"
        class="uni-calendar__nav">
        <view
          class="uni-calendar__nav-item"
          @click="close">取消</view>
        <view
          class="uni-calendar__nav-item"
          @click="confirm">确认</view>
      </view>
      <view class="uni-calendar__wrapper">
        <view class="uni-calenda__content">
          <view class="uni-calendar__panel">
            <view
              class="uni-calendar__date-befor"
              @tap="dataBefor(-1, 'month')"><text class="iconfont icon-jiantou" /></view>
            <view class="uni-calendar__panel-box">
              <view>{{ canlender.year }}年</view>
              <view>{{ canlender.month }}月</view>
            </view>
            <view
              class="uni-calendar__date-after uni-calendar__rollback"
              @tap="dataBefor(1, 'month')"><text class="iconfont icon-jiantou " /></view>
            <view
              class="uni-calendar__backtoday"
              @tap="backtoday">回到今天</view>
          </view>
          <view
            v-if="isLunar"
            class="uni-calendar__day-detail">
            <view>{{ canlender.year + '年' + canlender.month + '月' + canlender.date + '日 （' + canlender.lunar.astro + ')' }}</view>
            <view>
              {{ canlender.lunar.gzYear + '年' + canlender.lunar.gzMonth + '月' + canlender.lunar.gzDay + '日 (' + canlender.lunar.Animal + '年)' }}
              {{ canlender.lunar.IMonthCn + canlender.lunar.IDayCn }} {{ canlender.lunar.isTerm ? canlender.lunar.Term : '' }}
            </view>
          </view>
          <view class="uni-calendar__header">
            <view class="uni-calendar__week">日</view>
            <view class="uni-calendar__week">一</view>
            <view class="uni-calendar__week">二</view>
            <view class="uni-calendar__week">三</view>
            <view class="uni-calendar__week">四</view>
            <view class="uni-calendar__week">五</view>
            <view class="uni-calendar__week">六</view>
          </view>
          <uni-calendar-item
            :canlender="canlender"
            :lunar="isLunar"
            @selectDays="selectDays" />
        </view>
      </view>
    </view>
  </view>
</template>

<script>
import CALENDAR from './calendar.js'
import uniCalendarItem from './uni-calendar-item'
export default {
  name: 'UniCalendar',
  components: {
    uniCalendarItem
  },
  props: {
    /**
		 * 当前日期
		 */
    date: {
      type: String,
      default: ''
    },
    /**
		 * 打点日期
		 */
    selected: {
      type: Array,
      default () {
        return []
      }
    },
    /**
		 * 是否开启阴历日期
		 */
    lunar: {
      type: Boolean,
      default: false
    },
    /**
		 * 是否禁用今天之前的日期
		 */
    disableBefore: {
      type: Boolean,
      default: false
    },
    /**
		 * 开始时间
		 */
    startDate: {
      type: String,
      default: ''
    },
    /**
		 * 结束时间
		 */
    endDate: {
      type: String,
      default: ''
    },
    /**
		 * 范围
		 */
    range: {
      type: Boolean,
      default: false
    },
    /**
		 * 插入
		 */
    insert: {
      type: Boolean,
      default: false
    }
  },
  data () {
    /**
		 * TODO 兼容新旧编译器
		 * 新编译器（自定义组件模式）下必须使用固定数值，否则部分平台下会获取不到节点。
		 * 随机数值是在旧编译器下使用的，旧编译器模式已经不推荐使用，后续直接废掉随机数值的写法。
		 */
    return {
      maskShow: false, // 显示日历
      aniMaskShow: false,
      dateShow: false, // 日期是否选择
      canlender: {
        weeks: []
      },
      multiple: 0,
      multipleDates: {
        begin: '',
        end: '',
        data: []
      },
      isLunar: false
    }
  },
  watch: {
    date () {
      this.init()
    },
    selected () {
      this.init()
    },
    lunar (newVal) {
      this.isLunar = newVal
      this.init()
    },
    disableBefore () {
      this.init()
    },
    startDate () {
      this.init()
    },
    endDate () {
      this.init()
    }
  },
  created () {
    this.init()
  },
  methods: {
    init () {
      // 初始化日历
      // this.canlender = this.getWeek(this.date || new Date());
      this.getMonthAll(0, this.date, true)
    },
    open () {
      this.maskShow = true
      this.multiple = 0
      this.multipleDates.data = []
      this.multipleDates.begin = ''
      this.multipleDates.end = ''
      this.init()
      this.$nextTick(() => {
        setTimeout(() => (this.aniMaskShow = true), 30)
      })
    },
    close () {
      this.aniMaskShow = false
      this.$nextTick(() => {
        setTimeout(() => (this.maskShow = false), 300)
      })
    },
    confirm () {
      this.setEmit('confirm')
      this.close()
    },
    /**
		 * 获取当前月份全部日期
		 */
    getMonthAll (index, date) {
      if (date === '') {
        date = new Date()
      }
      const canlender = this.getWeek(this.getDate(date, index, 'month'))
      this.canlender = canlender
      if (this.insert) {
        this.setEmit('change')
      }
    },
    /**
		 * 设置事件
		 * @param {Object} canlender
		 */
    setEmit (name) {
      const canlender = this.canlender
      this.$emit(name, {
        range: this.range ? this.multipleDates : {},
        year: canlender.year,
        month: canlender.month,
        date: canlender.date,
        lunar: canlender.lunar,
        clockinfo: canlender.clockinfo || {},
        fulldate: canlender.year + '-' + canlender.month + '-' + canlender.date
      })
    },
    /**
		 * 今天之前是否禁用
		 * @param {Object} year 年
		 * @param {Object} month 月
		 * @param {Object} date 日
		 */
    isDisableBefore (year, month, date) {
      const nowDate = this.date || new Date()
      const time = year + '-' + month + '-' + date
      let startDate = false
      let endDate = false
      if (this.startDate) {
        startDate = this.dateCompare(this.startDate, time)
      }
      if (this.endDate) {
        endDate = this.dateCompare(this.getDate(this.endDate, 1), time)
      }

      if (this.disableBefore) {
        if (!this.startDate) {
          if (!this.endDate) {
            return !this.dateCompare(this.getDate(nowDate, 0), time)
          } else {
            return !this.dateCompare(this.getDate(nowDate, 0), time) || endDate
          }
        } else {
          return !this.dateCompare(this.getDate(nowDate, 0), time) || !startDate || endDate
        }
      } else {
        if (!this.startDate) {
          if (!this.endDate) {
            return false
          } else {
            return endDate
          }
        } else {
          return !startDate || endDate
        }
      }
    },
    /**
		 * 返回今天
		 */
    backtoday () {
      this.getMonthAll(0, this.date)
    },
    /**
		 * 切换前一月 || 后一月
		 * @param {Object} id
		 * @param {Object} types
		 */
    dataBefor (id, types) {
      const year = this.canlender.year + '-' + this.canlender.month + '-' + this.canlender.date
      this.getMonthAll(id, year)
    },
    /**
		 * 选择当前的日期
		 * week 当前的周
		 * index 点击的下标索引
		 * ischeck 是否选中
		 */
    selectDays (params) {
      const { week, index, ischeck, isDay } = params
      if (!ischeck) return
      if (isDay) return
      // 多选判断

      const canlender = this.canlender
      const month = canlender.weeks[week][index].month < 10 ? '0' + canlender.weeks[week][index].month : canlender.weeks[week][index].month
      const date = canlender.weeks[week][index].date < 10 ? '0' + canlender.weeks[week][index].date : canlender.weeks[week][index].date
      const time = canlender.year + '-' + month + '-' + date
      this.isClick = true
      // this.multiple = this.multiple === 0 ? 1 : 0;

      if (this.multiple === 0) {
        this.multipleDates.begin = time
        this.multiple = 1
      } else if (this.multiple === 1) {
        this.multiple = 2
        if (this.multipleDates.data) {
          this.multipleDates.data = []
        }
        const compare = this.dateCompare(this.multipleDates.begin, time)
        if (compare) {
          this.multipleDates.data = this.geDateAll(this.multipleDates.begin, time)
          this.multipleDates.end = time
        } else {
          this.multipleDates.data = this.geDateAll(time, this.multipleDates.begin)
          this.multipleDates.end = this.multipleDates.begin
          this.multipleDates.begin = time
        }
      } else {
        this.multiple = 0
        this.multipleDates.data = []
        this.multipleDates.begin = ''
        this.multipleDates.end = ''
      }
      this.getMonthAll(0, time)
    },
    // 获取日历内容
    getWeek (dateData) {
      // 判断当前是 安卓还是ios ，传入不容的日期格式
      if (typeof dateData !== 'object') {
        dateData = dateData.replace(/-/g, '/')
      }
      const selected = this.selected
      const nowDate = this.getDate(this.date || new Date())
      const { year, month, date, day } = this.getNewDate(dateData)
      let canlender = []
      let dates = {
        firstDay: new Date(year, month - 1, 1).getDay(),
        lastMonthDays: [], // 上个月末尾几天
        currentMonthDys: [], // 本月天数
        nextMonthDays: [], // 下个月开始几天
        endDay: new Date(year, month, 0).getDay(),
        weeks: []
      }
      // 循环上个月末尾几天添加到数组
      for (let i = dates.firstDay; i > 0; i--) {
        const beforeDate = new Date(year, month - 1, -i + 1).getDate() + ''
        dates.lastMonthDays.push({
          date: beforeDate,
          month: month - 1,
          disable: this.isDisableBefore(year, month - 1, beforeDate),
          lunar: this.getlunar(year, month - 1, beforeDate),
          isDay: false
        })
      }
      let clockinfo = {
        have: false
      }
      // 循环本月天数添加到数组
      for (let i = 1; i <= new Date(year, month, 0).getDate(); i++) {
        let have = false
        let clockinfoTemp = {}
        // 处理打卡信息
        for (let j = 0; j < selected.length; j++) {
          const selDate = selected[j].date.split('-')

          if (Number(year) === Number(selDate[0]) && Number(month) === Number(selDate[1]) && Number(i) === Number(selDate[2])) {
            have = true
            clockinfoTemp.have = true
            clockinfoTemp.date = selected[j].date
            if (selected[j].info) {
              clockinfoTemp.info = selected[j].info
            }
            if (JSON.stringify(selected[j].data) === '{}' || selected[j].data !== undefined) {
              clockinfoTemp.data = selected[j].data
            }
            if (Number(year) === Number(selDate[0]) && Number(month) === Number(selDate[1]) && Number(date) === Number(selDate[2])) {
              clockinfo = clockinfoTemp
            }
          }
        }
        // 多选
        const { begin, end, data } = this.multipleDates
        const [bYear, bMonth, bDate] = begin.split('-')
        const [eYear, eMonth, eDate] = end.split('-')
        let checked = false
        let multipleBegin = false
        let multipleEnd = false
        data.forEach((item, index) => {
          const [mYear, mMonth, mDate] = item.split('-')
          if (year === Number(mYear) && month === Number(mMonth) && i === Number(mDate)) {
            checked = true
          }
        })
        // 开始日期
        if (year === Number(bYear) && month === Number(bMonth) && i === Number(bDate)) {
          multipleBegin = true
        }

        // 结束日期
        if (year === Number(eYear) && month === Number(eMonth) && i === Number(eDate)) {
          // console.log(eYear, eMonth, eDate, 'end');
          multipleEnd = true
        }

        dates.currentMonthDys.push({
          checked: this.range ? checked : false,
          multipleBegin: this.range ? multipleBegin : false,
          multipleEnd: this.range ? multipleEnd : false,
          date: i + '',
          month: month,
          have,
          clockinfo: clockinfoTemp,
          disable: this.isDisableBefore(year, month, i + ''),
          lunar: this.getlunar(year, month, i + ''),
          isDay: nowDate === year + '-' + (month < 10 ? '0' + month : month) + '-' + (i < 10 ? '0' + i : i)
        })
      }
      const surplus = 42 - (dates.lastMonthDays.length + dates.currentMonthDys.length)
      // 循环下个月开始几天 添加到数组
      for (let i = 1; i < surplus + 1; i++) {
        dates.nextMonthDays.push({
          date: i + '',
          month: month + 1,
          disable: this.isDisableBefore(year, month + 1, i + ''),
          lunar: this.getlunar(year, month + 1, i + ''),
          isDay: false
        })
      }

      canlender = canlender.concat(dates.lastMonthDays, dates.currentMonthDys, dates.nextMonthDays)
      // 拼接数组  上个月开始几天 + 本月天数+ 下个月开始几天
      for (let i = 0; i < canlender.length; i++) {
        if (i % 7 === 0) {
          dates.weeks[parseInt(i / 7)] = new Array(7)
        }
        dates.weeks[parseInt(i / 7)][i % 7] = canlender[i]
      }

      return {
        weeks: dates.weeks,
        month: month,
        date: date,
        day: day,
        year: year,
        clockinfo,
        lunar: CALENDAR.solar2lunar(year, month, date),
        lastDate: dates.currentMonthDys[dates.currentMonthDys.length - 1].date
      }
    },
    /**
		 * 计算阴历日期显示
		 */
    getlunar (year, month, date) {
      return CALENDAR.solar2lunar(year, month, date).IDayCn
    },
    /**
		 * 获取日期
		 * @param {Object} dateData
		 */
    getNewDate (dateData) {
      const _date = new Date(dateData)
      return {
        year: _date.getFullYear(), // 年
        month: _date.getMonth() + 1, // 月
        date: _date.getDate(), // 日
        day: _date.getDay() // 天
      }
    },
    /**
		 * 获取任意时间
		 */
    getDate (date, AddDayCount = 0, str = 'day') {
      if (typeof date !== 'object') {
        date = date.replace(/-/g, '/')
      }
      const dd = new Date(date)
      switch (str) {
        case 'day':
          dd.setDate(dd.getDate() + AddDayCount) // 获取AddDayCount天后的日期
          break
        case 'month':
          dd.setMonth(dd.getMonth() + AddDayCount) // 获取AddDayCount天后的日期
          break
        case 'year':
          dd.setFullYear(dd.getFullYear() + AddDayCount) // 获取AddDayCount天后的日期
          break
      }
      const y = dd.getFullYear()
      const m = dd.getMonth() + 1 < 10 ? '0' + (dd.getMonth() + 1) : dd.getMonth() + 1 // 获取当前月份的日期，不足10补0
      const d = dd.getDate() < 10 ? '0' + dd.getDate() : dd.getDate() // 获取当前几号，不足10补0
      return y + '-' + m + '-' + d
    },
    /**
		 * 比较时间大小
		 */
    dateCompare (startDate, endDate) {
      // 计算截止时间
      startDate = new Date(startDate.replace('-', '/').replace('-', '/'))
      // 计算详细项的截止时间
      endDate = new Date(endDate.replace('-', '/').replace('-', '/'))
      if (startDate <= endDate) {
        return true
      } else {
        return false
      }
    },
    geDateAll (begin, end) {
      var arr = []
      var ab = begin.split('-')
      var ae = end.split('-')
      var db = new Date()
      db.setUTCFullYear(ab[0], ab[1] - 1, ab[2])
      var de = new Date()
      de.setUTCFullYear(ae[0], ae[1] - 1, ae[2])
      var unixDb = db.getTime() - 24 * 60 * 60 * 1000
      var unixDe = de.getTime() - 24 * 60 * 60 * 1000
      for (var k = unixDb; k <= unixDe;) {
        // console.log((new Date(parseInt(k))).format());
        k = k + 24 * 60 * 60 * 1000
        arr.push(this.getDate(new Date(parseInt(k))))
      }
      return arr
    }
  }
}
</script>

<style lang="scss">
@font-face {
	font-family: 'iconfont';
	src: url('//at.alicdn.com/t/font_989023_qdgy7euvg4.eot?t=1545961121132');
	/* IE9*/
	src: url('//at.alicdn.com/t/font_989023_qdgy7euvg4.eot?t=1545961121132#iefix') format('embedded-opentype'),
		/* IE6-IE8 */
			url('data:application/x-font-woff;charset=utf-8;base64,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')
			format('woff'),
		url('//at.alicdn.com/t/font_989023_qdgy7euvg4.ttf?t=1545961121132') format('truetype'),
		/* chrome, firefox, opera, Safari, Android, iOS 4.2+*/ url('//at.alicdn.com/t/font_989023_qdgy7euvg4.svg?t=1545961121132#iconfont') format('svg');
	/* iOS 4.1- */
}

.iconfont {
	font-family: 'iconfont' !important;
	font-size: 32upx;
	font-style: normal;
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
}

.icon-jiantou:before {
	content: '\e606';
}

.uni-calendar__mask {
	position: fixed;
	bottom: 0;
	top: 0;
  left:0;
  right:0;
	width: 100%;
	background: rgba($color: #000, $alpha: 0.4);
	transition: all 0.3s;
	opacity: 0;
	z-index: 9998;
	&.ani-mask-show {
		opacity: 1;
	}
}
.header {
	display: flex;
	justify-content: center;
	align-items: center;
	position: relative;
	height: 100upx;
	background: #fff;
	z-index: 10000;
	// background: $uni-bg-color-grey;
	font-size: $uni-font-size-lg;
}

.uni-calendar__box {
	position: fixed;
	bottom: 0;
  left:0;
  right:0;
	z-index: 9999;
	width: 100%;
	box-sizing: border-box;
	transition: all 0.3s;
	transform: translateY(100%);
	&.ani-calendar-show {
		transform: translateY(0%);
	}
	&.uni-calendar__static {
		position: static;
		transform: translateY(0%);
	}
	.uni-calendar__nav {
		display: flex;
		justify-content: space-between;
		height: 100upx;
		border-bottom: 1px #f5f5f5 solid;
		background: #f5f5f5;
		padding: 0 10upx;
		.uni-calendar__nav-item {
			display: flex;
			justify-content: center;
			align-items: center;
			width: 100upx;
			height: 100upx;
			color: #333;
		}
	}
}

.uni-calendar__wrapper {
	width: 100%;
	box-sizing: border-box;
	font-size: 26rpx;
	background: #fff;
	transition: all 0.3s;

	.uni-calenda__content {
		.uni-calendar__panel {
			position: relative;
			display: flex;
			align-items: center;
			justify-content: center;
			font-size: 28rpx;
			height: 100rpx;

			.uni-calendar__date-befor,
			.uni-calendar__date-after {
				display: flex;
				justify-content: center;
				align-items: center;
				height: 80rpx;
				width: 80rpx;
				text-align: center;
				line-height: 80rpx;

				&.uni-calendar__rollback {
					transform: rotate(180deg);
				}
			}

			.uni-calendar__panel-box {
				display: flex;
				justify-content: center;
				align-items: center;
				width: 200upx;
			}

			.uni-calendar__backtoday {
				position: absolute;
				right: 0;
				top: 25rpx;
				padding: 0 10rpx;
				padding-left: 20rpx;
				height: 50rpx;
				line-height: 50rpx;
				border: 1px rgba($color: #fd2e32, $alpha: 0.5) solid;
				border-right: none;
				font-size: 24rpx;
				border-top-left-radius: 50rpx;
				border-bottom-left-radius: 50rpx;
				color: rgba($color: #fd2e32, $alpha: 0.7);
				background: rgba(241, 233, 233, 0.4);
			}
		}

		.uni-calendar__day-detail {
			padding: 20upx;
			padding-left: 30upx;
			border-top: 1px #f5f5f5 solid;
		}

		.uni-calendar__header {
			display: flex;
			font-size: $uni-font-size-base;
			border-top: 1px #f5f5f5 solid;

			.uni-calendar__week {
				width: 100%;
				text-align: center;
				line-height: 80rpx;
				color: #333;
				font-weight: bold;
			}
		}

		.uni-calendar__body {
			display: flex;
			flex-wrap: wrap;
			font-size: $uni-font-size-base;
		}
	}
}
</style>
